Circulatory
Most of your blood consists of this yellowish substance
Plasma
Name the four parts of your respiratory system.
Nose, mouth, windpipe or trachea, lungs
What helps food to travel from your mouth to your stomach?
Esophagus
What is a function of bones?
To protect organs or give the body shape
What part of your eye changes in size to let more or less light in?
Iris
This part of your blood fights bacteria, viruses, and sickness.
White blood cells
What gas do the lungs inhale?
Oxygen
Saliva breaks down carbohydrates such as pasta, cracker, etc., into these molecules.
Sugar molecules
Does an adult have 206, 247, or 300 bones?
206
What is the biggest organ of your body?
The skin
Brown substance that helps blood to clot
Platelets
What gas do the lungs exhale?
Carbon dioxide
How does the liver, pancreas, and gall bladder help with digestion?
By secreting enzymes to break down fat and protein.
Where are your two ball and socket joints?
Shoulders and hips
Black hole of the eye
Pupil
This organ is primarily responsible for cleaning the blood of chemical impurities.
Kidneys
What is the dome-shapes muscle that causes you to inhale and exhale?
Diaphragm
About how long is the small intestine of an adult?
13, 14, 15, or 16 feet
What are the 3 bones in your leg?
Femur, tibia, fibula
What snail-like structure in your ear contains liquid that vibrates with sound?
Cochlea
What compartments is your heart divided into?
Four compartments called right/left atrium and right/left ventricles.
What does the trachea divide into?
Two bronchial tubes
What do the tiny hair-like"villi" on the small intestines do?
They absorb nutrients and pass them into the blood.
What is in the center of your bone and what does it do?
Bone marrow - makes blood cells
What is the order of sound waves after it enters your outer ear? There are 7 steps.
Auditory canal, eardrum, hammer, anvil, stirrup, cochlea, auditory nerve